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Neurokinin A TFA (NKA TFA) is a neuropeptide within the neurokinin family, serving as the endogenous ligand and agonist for the NK-2 (Neurokinin 2) receptor. It regulates the nervous system, inflammation, and pain, and is applicable for research into asthma, inflammatory bowel disease, rheumatoid arthritis pain, and psychiatric disorders.

| Pack Size | Price | Availability | Quantity |
|---|---|---|---|
| 1 mg | $52 | In Stock | |
| 5 mg | $123 | In Stock | |
| 10 mg | $213 | In Stock | |
| 25 mg | $359 | In Stock | |
| 50 mg | $533 | In Stock | |
| 100 mg | $759 | In Stock | |
| 200 mg | $987 | In Stock |
| Description | Neurokinin A TFA (NKA TFA) is a neuropeptide within the neurokinin family, serving as the endogenous ligand and agonist for the NK-2 (Neurokinin 2) receptor. It regulates the nervous system, inflammation, and pain, and is applicable for research into asthma, inflammatory bowel disease, rheumatoid arthritis pain, and psychiatric disorders. |
| In vitro | Neurokinin A TFA is a peptide neurotransmitter belonging to the tachykinin family. All tachykinins share a conserved COOH-terminal structure of Phe-X-Gly-Leu-Met-NH₂, and the most representative members of this family are Substance P and Neurokinin A. Neurokinin A TFA may act as a crucial mediator in human airway and gastrointestinal tissues. It exerts its effects through NK-2 receptors localized on smooth muscle cells and is pharmacologically coupled to GTP-binding proteins. Neurokinin A TFA is associated with both the central and peripheral nervous systems and exhibits a broad tissue distribution pattern. [1] |
| Synonyms | Substance K TFA, NKA TFA, Neuromedin L TFA, Neurokinin α TFA |
| Molecular Weight | 1247.34 |
| Formula | C52H81F3N14O16S |
| Cas No. | 2828433-19-6 |
| Smiles | C(C(O)=O)(F)(F)F.[C@H](CC1=CC=CC=C1)(C(N[C@H](C(NCC(N[C@H](C(N[C@@H](CCSC)C(N)=O)=O)CC(C)C)=O)=O)C(C)C)=O)NC([C@@H](NC([C@@H](NC([C@@H](NC([C@@H](NC([C@H](CC2=CN=CN2)N)=O)CCCCN)=O)[C@@H](C)O)=O)CC(O)=O)=O)CO)=O |
| Color | White |
| Appearance | Solid |
| Sequence | His-Lys-Thr-Asp-Ser-Phe-Val-Gly-Leu-Met-NH2 |
| Sequence Short | HKTDSFVGLM-NH2 |
| Storage | keep away from moisture | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. | |||||||||||||||||||||||||||||||||||
| Solubility Information | DMSO: 80 mg/mL (64.14 mM), Sonication is recommended. H2O: 40 mg/mL (32.07 mM), Sonication is recommended. | |||||||||||||||||||||||||||||||||||
Solution Preparation Table | ||||||||||||||||||||||||||||||||||||
H2O/DMSO
DMSO
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